Method of desulfurizing gases
Patent
·
OSTI ID:5265736
A method is described for desulfurizing gases containing hydrogen formed by the incomplete combustion of sulfur containing hydrocarbons at high temperature in which gases the sulfur is mainly in the form of one of hydrogen sulfide and sulfur carbonyl whereby the sulfur is removed to sufficiently low levels that when combustion of the gases is completed the gases emitted into the atmosphere have a sulfur content which is less than one pound of sulfur per million British thermal units produced by combustion of fuel or its equivalent comprising the steps of: a. Controlling the incomplete combustion of the sulfur containing hydrocarbons so that the ratio of carbon monoxide to carbon dioxide (CO/CO/sub 2/) ratio at standard conditions (32/sup 0/F and one atmosphere pressure) is greater than one; and b. Reacting the gases whose CO/CO/sub 2/ ratio is greater than one and whose sulfur content is in the form of one of H/sub 2/S and sulfur carbonyl (COS) with cerium oxide.
- Assignee:
- NOV; EDB-86-162856; NOV-85-019594
- Patent Number(s):
- US 4604268
- OSTI ID:
- 5265736
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
02 PETROLEUM
020800* -- Petroleum-- Waste Management
500200 -- Environment
Atmospheric-- Chemicals Monitoring & Transport-- (-1989)
54 ENVIRONMENTAL SCIENCES
AIR POLLUTION CONTROL
CARBON COMPOUNDS
CARBON DIOXIDE
CARBON MONOXIDE
CARBON OXIDES
CARBON OXYSULFIDE
CERIUM COMPOUNDS
CERIUM OXIDES
CHALCOGENIDES
CHEMICAL REACTIONS
COMBUSTION
CONTROL
DESULFURIZATION
FLUE GAS
GASEOUS WASTES
HYDROCARBONS
HYDROGEN COMPOUNDS
HYDROGEN SULFIDES
MEDIUM PRESSURE
MEDIUM TEMPERATURE
ORGANIC COMPOUNDS
OXIDATION
OXIDES
OXYGEN COMPOUNDS
POLLUTION CONTROL
RARE EARTH COMPOUNDS
REMOVAL
SULFIDES
SULFUR COMPOUNDS
SULFUR CONTENT
SULFUR DIOXIDE
SULFUR OXIDES
THERMOCHEMICAL PROCESSES
WASTES
020800* -- Petroleum-- Waste Management
500200 -- Environment
Atmospheric-- Chemicals Monitoring & Transport-- (-1989)
54 ENVIRONMENTAL SCIENCES
AIR POLLUTION CONTROL
CARBON COMPOUNDS
CARBON DIOXIDE
CARBON MONOXIDE
CARBON OXIDES
CARBON OXYSULFIDE
CERIUM COMPOUNDS
CERIUM OXIDES
CHALCOGENIDES
CHEMICAL REACTIONS
COMBUSTION
CONTROL
DESULFURIZATION
FLUE GAS
GASEOUS WASTES
HYDROCARBONS
HYDROGEN COMPOUNDS
HYDROGEN SULFIDES
MEDIUM PRESSURE
MEDIUM TEMPERATURE
ORGANIC COMPOUNDS
OXIDATION
OXIDES
OXYGEN COMPOUNDS
POLLUTION CONTROL
RARE EARTH COMPOUNDS
REMOVAL
SULFIDES
SULFUR COMPOUNDS
SULFUR CONTENT
SULFUR DIOXIDE
SULFUR OXIDES
THERMOCHEMICAL PROCESSES
WASTES